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22-617: SSE also owns a 68 MWe capacity wind farm, Keadby Wind Farm , nearby. This was England's largest onshore wind farm, and started operating in July 2014. Keadby Gas Power Station was commissioned on 22 January 1996, and was opened by Scottish Hydro Electric and NORWEB when the site was in South Humberside . Scottish Hydro bought the 50% share of Keadby Generation Ltd, then owned by United Utilities, in March 1997 for £253 million. It

44-488: A kettle, heat your home or run a business without the grid. The idea that private owners, who have been ripping off the public, would move offshore in an attempt to prolong the rip-off illustrates just why we need the grid back in public hands. In August 2021, SSE agreed to sell its 33.3% stake in gas distribution company SGN for £1.2 billion. SSE Thermal operates a series of UK power stations, while SSE Renewables builds and operates onshore and offshore wind farms in

66-600: A new Swiss holding company, confirming that it had done so following the Labour Party's pledge to take it into state ownership. It said the move was: an additional safeguard, which SSE does not believe would be required in practice, should SSE's electricity networks businesses and interests in SGN become the subject of proposed legislation for nationalisation. The Labour Party said: The UK's energy networks are vital strategic infrastructure on which we all rely. You cannot boil

88-682: A variation to this consent was granted in November 2016. The project, called 'Keadby 2', was announced in May 2018. Construction on the plant, now rated at 893 MWe, began in August 2018. The station was planned to come online in October 2022, but this date was missed, with the plant coming online in February 2023. As of 2024, Keadby 2 at 849 MW is the biggest combined cycle powerplant in the world, and

110-638: Is 1329 MW. Each gas turbine is connected to a heat recovery steam generator which connect to one steam turbine which has an output of 260 MWe. Steam is condensed using water from the River Trent. There is a 25 MWe 11 kV gas turbine available for black starts when there is no power to start producing electricity. The station connects to the National Grid at 400 kV, being used for baseload . In 1999, Scottish Hydro applied to add another 710 MWe of capacity at Keadby, and

132-466: Is now owned by Scottish and Southern Energy . In March 2013 the power station was 'deep mothballed' in response to adverse market conditions; it reopened in December 2015 after winning a stand-by contract to provide 734 MWe of capacity. It is a CCGT type power station running on natural gas. There are two General Electric Frame 9FA gas turbines each rated at 250 MWe. The total thermal input

154-663: The Ferrybridge and Fiddlers Ferry power stations for £250 million. In January 2008, it went on to buy Airtricity Holdings, an Irish wind farm business. In August 2009, it agreed to purchase Uskmouth power station from Welsh Power Group. In April 2010, the company purchased the natural gas exploration and production assets of Hess Corporation in three areas of the United Kingdom Continental Shelf – Everest/Lomond, Easington and Bacton. In January 2010, Scottish and Southern Energy changed

176-518: The English public electricity supplier Southern Electric plc to become Scottish and Southern Energy plc (SSE) on 14 December 1998. The Scottish Hydro name was used as a brand name by SSE plc for supplying gas and electricity in Scotland , and by Scottish Hydro-Electric Power Distribution Ltd , the distribution network operator in the north of Scotland. In 2011, power consumption of the north

198-704: The Southern Electricity Board became Southern Electric . Scottish and Southern Energy was formed in September 1998, following a merger between Scottish Hydro-Electric and Southern Electric . In August 2000, Scottish and Southern Energy acquired the SWALEC energy supply business. SWALEC operate exclusively in Wales while SSE operates in Scotland and England. In July 2004, the company acquired

220-489: The United Kingdom and Ireland, and has hydroelectric operations in Scotland. Jointly owned with American waste management company Wheelabrator Technologies , Multifuel Energy Ltd operates multi-fuel power stations at Ferrybridge , West Yorkshire. SSE became the largest officially accredited Living Wage Employer in the United Kingdom in 2013. All its employees across the United Kingdom were guaranteed to receive

242-480: The boiler associated with the first set was the largest yet commissioned in the UK. The generating capacity and electricity output from Keadby power station is given in the following table. The coal-fired station closed in 1984. Scottish Hydro Electric Scottish Hydro plc was a public electricity supplier formed on 1 August 1989 after a change of name from North of Scotland Electricity plc on that date. It

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264-776: The core company branding from Scottish and Southern Energy to SSE. In November 2017, it was announced that SSE was looking to separate from its retail subsidiary which would then merge with the Npower division of rival Innogy . It was planned that SSE shareholders will own 65.6% of the demerged entity and Innogy would hold the remainder. The resulting company would have been listed on the London Stock Exchange and included npower's residential and business retail business, and SSE's residential energy supply and home services business, excluding its business in Ireland. Although

286-581: The merger received preliminary regulatory clearance from the Competition and Markets Authority on 30 August 2018, and full clearance was given on 10 October 2018, it was abandoned on 17 December 2018, with the companies blaming "very challenging market conditions". In September 2019, SSE announced that it would be selling its retail business to OVO Energy : the transaction was completed in January 2020. In November 2019, SSE moved its UK business into

308-634: The most efficient at 64%. In December 2022, development consent was obtained for a third plant on the Keadby site. Keadby Three is planned to be a 910 MWe plant with carbon capture and storage , with opening planned as soon as 2027. The first power station on the site was authorised in 1947 and work on the foundations began in July 1948. It was designed to have a total capacity of 360 MW. The plant comprised six Stirling radiant type, pulverised fuel , twin furnace boilers. Each boiler had an evaporation capacity of 550,000 lb/hr (69.3 kg/s) of steam,

330-566: The naming rights of these venues switched to OVO with the sale of its retail supply division. In February 2022, the company signed up to the UN 's Women Empowerment Principles, an initiative to support women in the workplace which was founded by United Nations Global Compact and UN Women . In April 2013, industry regulator Ofgem fined SSE £10.5 million for mis-selling gas and electricity. In September 2020, industry regulator Ofgem fined SSE £2.06 million for failing to publish information about

352-768: The then-Living Wage rate of at least £7.85 an hour in 2013. In October 2014, SSE became the first company on the FTSE 100 to be awarded the Fair Tax Mark which is an independent accreditation process for identifying companies making an effort to be transparent about their tax affairs. The company currently sponsors the SSE Arena in Belfast. It previously sponsored Wembley Arena in London and The Hydro in Glasgow, but

374-473: The total evaporative capacity of the completed station was 3,300,000 lb/hr (415.8 kg/s). Steam conditions were 925 psi and 915 °F (63.8 bar and 490.6 °C). There were six Parsons 60 MW hydrogen cooled turbo-alternators , generating at 11 kV. The first set was commissioned in April 1952, followed by the other sets in November 1952, June 1953, June 1954, December 1954 and December 1955. In 1952

396-672: The year 2015-16 and 2021-22 were as follows: Scottish and Southern Energy plc SSE plc (formerly Scottish and Southern Energy plc ) is a multinational energy company headquartered in Perth, Scotland . It is listed on the London Stock Exchange , and is a constituent of the FTSE 100 Index . SSE operates in the United Kingdom and Ireland. The company has its origins in two public sector electricity supply authorities. The former North of Scotland Hydro-Electric Board

418-683: Was a distribution only authority, with no power generation capacity of its own, the North of Scotland Hydro-Electric board was a broader spectrum organisation, with its own generating capabilities. Because of its history and location, the Hydro-Electric Board was responsible for most of the hydroelectric generating capacity in the United Kingdom. Both authorities were privatised in 1990/91, initially retaining their pre privatisation geographic and functional bases. The North of Scotland Hydro-Electric Board became Scottish Hydro-Electric , whilst

440-539: Was founded in 1943 to design, construct and manage hydroelectricity projects in the Highlands of Scotland , and took over further generation and distribution responsibilities on the nationalisation of the electricity industry within the United Kingdom in 1948. The former Southern Electricity Board was created in 1948 to distribute electricity in Southern England . Whilst the Southern Electricity Board

462-539: Was largely handled by Scottish Hydro. The Scottish Hydro brand continued in use for a time after the 1998 merger but SSE later used its own brand throughout the UK. Following the purchase of SSE's retail business by OVO Energy in 2020, the Scottish Hydro brand became a trading name of OVO Electricity Limited until it was replaced by the Ovo brand. The fuel sources used by SSE Energy Supply to generate power during

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484-545: Was listed on the London Stock Exchange and was once a constituent of the FTSE 100 Index but merged with Southern Electric in 1998. The company was formed on 1 April 1989 to acquire the assets of the North of Scotland Hydro-Electric Board ahead of electricity privatisation in the United Kingdom under the name North of Scotland Electricity plc . The company was floated on the London Stock Exchange in June 1991. It merged with

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